02180+4052 ES  164

 
 
02h 18m 02.95s +40 52' 08.1" P.A. 331 sep 9.7 mag 9.33,13.60 Sp A2
 
 
Coord 2000
02180+4052
Discov num
ES  164
Comp
Coord arcsec 2000
02 18 02.95 +40 52 08.1
Date first
1917
Date last
2015
Obs
6
Pa first
327
Pa last
331
P.A. Now (θ)
331°
Sep first
8.0
Sep last
9.7
Sep. Now (ρ)
9.7"
Mag pri
9.33
Mag sec
13.60
delta mag (ΔM)
4.27
Spectral class
A2 (white)
Pri motion ra
+002
Sec motion ra
Pri motion dec
-015
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
331.4
Precise sep
9.706
Constellation
Andromeda
SAO
37933
Tycho2
2834-01593-1
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02180+4052 ES 164 1998 3 331 9.6 9.33 13.60 A2 D 021802.95+405208.1
02180+4052 ES 164 2002 4 331 9.6 9.33 13.60 A2 D 021802.95+405208.1
02180+4052 ES 164 2011 5 332 9.6 9.33 13.60 A2 D 021802.95+405208.1
02180+4052 ES 164 2015 6 331 9.7 9.33 13.60 A2 021802.95+405208.1

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